He said he believes that Edward Snowden, Chelsea Manning and other leakers are "actively committing treason."

"It's apparent that the federal government does not have a handle on how to apprehend these traitors, much less stop the espionage," O'Reilly said. "Obviously, a dangerous situation."

"President Trump should order the FBI to aggressively investigate all leaks and hacks, assigning that a top priority," he said. "Americans need to know if this situation is completely out of control or what."